Answer:
Account; Note
Explanation:
An account receivable is the owed by customers to the organization for goods purchased. It is usually an arrangement between two parties with no formal agreement in place.
Notes receivable is an agreement in written form that stands as a promise to make the payment in future. It is a formal document.
Accounts receivables are created when money is owed to the company on account of goods purchased on credit while notes payable is issued as a promise to pay in future.